disappearing

Today I have noticed that when a forum has the option "Moderate new threads posted in this forum" enabled, and a user creates a new thread, that these threads disappear from their forum view for the user after each time the "Hourly Clean up" cron job task ran. This causes much confusion with the...

The sentence "Unviewed alerts do not expire" is found on this page: /admin.php?options/list/alerts Unfortunately, alerts do in fact expire and disappear after a period of time. Is this a bug in XenForo?